The A. Lange & Söhne 1815 ref: 421.056 features a platinum case with a diameter of 42mm. This model, released in 2023, is powered by the manual winding A. Lange & Söhne caliber L101.1. It includes a perpetual calendar with date, month, and leap year indications, as well as a split seconds chronograph and moonphase display. The watch also incorporates a power reserve indicator. Limited to 100 pieces, the timepiece is complemented by rose gold accents, enhancing its overall aesthetic.
